Significantly smaller size for greater design versatility and reduced weight; Greater accuracy — extended radial bearing section increases rigidity, with optional preload or clearances to meet application torque or deflection requirements; Easier to use — fast installation and changeout; Custom configurations to meet your application’s specific needs — many drive options, gearing/timing belt, mounting hole types; and Designed to withstand harsh operating environments — AISI-440C steel races, steel reinforced seals.